[routing-wg] The Cidr Report

30 Dec 2011

      This report has been generated at Fri Dec 30 21:12:17 2011 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.

Check http://www.cidr-report.org for a current version of this report.

Recent Table History
        Date      Prefixes    CIDR Agg
        23-12-11    388955      227416
        24-12-11    389266      227550
        25-12-11    389269      227422
        26-12-11    389154      227258
        27-12-11    388527      227317
        28-12-11    389270      227684
        29-12-11    389756      227932
        30-12-11    390109      227830

AS Summary
         39816  Number of ASes in routing system
         16743  Number of ASes announcing only one prefix
          3475  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      109506048  Largest address span announced by an AS (/32s)
                AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street

Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as 
to preserve traffic transit policies. Aggregation is also
proposed across non-advertised address space ('holes').

 --- 30Dec11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     390175   227816   162359    41.6%   All ASes

AS6389      3475      219     3256    93.7%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS18566     2094      413     1681    80.3%   COVAD - Covad Communications
                                               Co.
AS4766      2479      994     1485    59.9%   KIXS-AS-KR Korea Telecom
AS7029      2958     1525     1433    48.4%   WINDSTREAM - Windstream
                                               Communications Inc
AS22773     1517      116     1401    92.4%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755      1513      197     1316    87.0%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1624      387     1237    76.2%   TWTC - tw telecom holdings,
                                               inc.
AS28573     1569      394     1175    74.9%   NET Servicos de Comunicao S.A.
AS1785      1865      788     1077    57.7%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS10620     1721      693     1028    59.7%   Telmex Colombia S.A.
AS7552      1412      415      997    70.6%   VIETEL-AS-AP Vietel
                                               Corporation
AS19262     1389      402      987    71.1%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7303      1252      365      887    70.8%   Telecom Argentina S.A.
AS18101      976      157      819    83.9%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS8151      1455      661      794    54.6%   Uninet S.A. de C.V.
AS30036     1474      697      777    52.7%   MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS8402      1492      732      760    50.9%   CORBINA-AS OJSC "Vimpelcom"
AS4808      1075      339      736    68.5%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS15557     1092      365      727    66.6%   LDCOMNET Societe Francaise du
                                               Radiotelephone S.A
AS24560     1004      282      722    71.9%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS7545      1629      947      682    41.9%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS3356      1106      459      647    58.5%   LEVEL3 Level 3 Communications
AS2118       672       61      611    90.9%   RELCOM-AS OOO "NPO Relcom"
AS17974     1718     1113      605    35.2%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS17676      677       74      603    89.1%   GIGAINFRA Softbank BB Corp.
AS4804       662       95      567    85.6%   MPX-AS Microplex PTY LTD
AS20115     1614     1061      553    34.3%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS3549       974      422      552    56.7%   GBLX Global Crossing Ltd.
AS17488      926      374      552    59.6%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS9498       844      294      550    65.2%   BBIL-AP BHARTI Airtel Ltd.

Total      44258    15041    29217    66.0%   Top 30 total

Possible Bogus Routes

        10.86.64.32/30       AS65530 -Private Use AS-
        10.86.64.36/30       AS65530 -Private Use AS-
        10.86.65.32/30       AS65530 -Private Use AS-
        10.86.65.36/30       AS65530 -Private Use AS-
        10.255.255.0/30      AS65530 -Private Use AS-
        10.255.255.4/30      AS65530 -Private Use AS-
        10.255.255.8/30      AS65530 -Private Use AS-
        14.192.0.0/22        AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.4.0/22        AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.8.0/22        AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.12.0/22       AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.16.0/22       AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.20.0/22       AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.24.0/22       AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        14.192.28.0/22       AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
        41.222.79.0/24       AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        41.223.92.0/22       AS36936 CELTEL-GABON Celtel Gabon Internet Service
        62.61.220.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        62.61.221.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        64.21.192.0/20       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.212.0/22       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.216.0/21       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        66.129.0.0/19        AS3901  ARRAKIS - Higher Technology Services
        66.175.222.0/23      AS30058 FDCSERVERS - FDCservers.net
        66.180.239.0/24      AS35888 VIGNETTE - VIGNETTE CORPORATION
        66.207.32.0/20       AS23011 
        66.245.176.0/20      AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC
        69.46.224.0/20       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        69.46.233.0/24       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        69.46.236.0/24       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        71.19.134.0/23       AS3313  INET-AS BT Italia S.p.A.
        80.88.10.0/24        AS33774 DJAWEB
        91.234.104.0/22      AS174   COGENT Cogent/PSI
        98.159.96.0/20       AS46975 
        110.34.44.0/22       AS12653 COMTONET KB Impuls Hellas
        116.206.72.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.85.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.103.0/24     AS6461  MFNX MFN - Metromedia Fiber Network
        117.120.56.0/21      AS4755  TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
        121.46.0.0/16        AS4134  CHINANET-BACKBONE No.31,Jin-rong Street
        142.54.0.0/19        AS23498 CDSI - Cogeco Data Services Inc.
        172.45.1.0/24        AS29571 CITelecom-AS
        172.45.2.0/24        AS29571 CITelecom-AS
        172.45.3.0/24        AS29571 CITelecom-AS
        172.102.0.0/22       AS4812  CHINANET-SH-AP China Telecom (Group)
        190.104.32.0/21      AS27882 Telefónica Celular de Bolivia S.A.
        193.0.22.0/23        AS3333  RIPE-NCC-AS RIPE Network Coordination Centre
        200.6.93.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.94.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.95.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.23.84.0/24       AS8151  Uninet S.A. de C.V.
        200.24.73.0/24       AS26061 Equant Colombia
        200.33.40.0/24       AS11172 Alestra, S. de R.L. de C.V.
        200.34.0.0/20        AS6342  Instituto Tecnológico y de Estudios Superiores de Monterrey
        200.53.0.0/19        AS13878 Diveo do Brasil Telecomunicacoes Ltda
        202.1.224.0/24       AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000
        202.8.106.0/24       AS9530  SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
        202.9.55.0/24        AS2764  AAPT AAPT Limited
        202.58.113.0/24      AS19161 
        202.61.75.0/24       AS9927  PHILCOMNET-PH A Multihomed ISP Company
        202.83.120.0/21      AS37972 
        202.83.124.0/24      AS37972 
        202.83.125.0/24      AS37972 
        202.83.126.0/24      AS37972 
        202.94.1.0/24        AS4808  CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
        202.133.70.0/24      AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
        202.160.152.0/22     AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
        202.174.125.0/24     AS9498  BBIL-AP BHARTI Airtel Ltd.
        202.176.1.0/24       AS9942  COMINDICO-AP SOUL Converged Communications Australia
        202.179.134.0/24     AS23966 LDN-AS-PK LINKdotNET Telecom Limited
        203.23.1.0/24        AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.24.38.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.30.127.0/24      AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/23       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.87.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.188.0/24      AS1221  ASN-TELSTRA Telstra Pty Ltd
        203.142.219.0/24     AS45149 
        205.150.0.0/15       AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        205.175.214.0/24     AS5583  ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A.
        205.210.125.0/24     AS36563 TELX-DALLAS - Telx
        206.123.129.0/24     AS10790 INREACH-AS - InReach Internet
        206.180.240.0/20     AS12083 KNOLOGY-NET - KNOLOGY,  Inc.
        206.197.184.0/24     AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
        207.174.131.0/24     AS26116 INDRA - Indra's Net Inc
        207.174.132.0/23     AS26116 INDRA - Indra's Net Inc
        207.174.152.0/23     AS26116 INDRA - Indra's Net Inc
        207.174.154.0/24     AS26116 INDRA - Indra's Net Inc
        207.174.155.0/24     AS26116 INDRA - Indra's Net Inc
        207.174.200.0/24     AS22658 EARTHNET - Earthnet, Inc.
        207.174.248.0/21     AS6653  PRIVATEI - privateI, LLC
        207.231.96.0/19      AS11194 NUNETPA - NuNet Inc.
        208.64.240.0/21      AS13871 TELEBYTE-NW - Telebyte NW
        208.83.53.0/24       AS40569 YGOMI-AS - Ygomi LLC
        208.91.56.0/21       AS22241 IC2NET - IC2NET
        208.91.56.0/24       AS22241 IC2NET - IC2NET
        208.91.57.0/24       AS22241 IC2NET - IC2NET
        208.91.58.0/24       AS22241 IC2NET - IC2NET
        208.91.59.0/24       AS22241 IC2NET - IC2NET
        208.91.60.0/24       AS22241 IC2NET - IC2NET
        208.91.61.0/24       AS22241 IC2NET - IC2NET
        208.91.62.0/24       AS22241 IC2NET - IC2NET
        208.91.63.0/24       AS22241 IC2NET - IC2NET
        209.133.224.0/19     AS4323  TWTC - tw telecom holdings, inc.
        209.148.64.0/19      AS13773 TELNETCOMM - Telnet Communications
        209.177.64.0/20      AS6461  MFNX MFN - Metromedia Fiber Network
        209.213.0.0/20       AS33005 ELTOPIA - Eltopia.com, LLC
        209.222.240.0/22     AS19747 
        210.56.150.0/23      AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED
        216.12.160.0/20      AS26627 AS-PILOSOFT - Pilosoft, Inc.
        216.21.160.0/20      AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
        216.194.160.0/20     AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport

Please see http://www.cidr-report.org for the full report

------------------------------------
Copies of this report are mailed to:
  nanog@nanog.org
  eof-list@ripe.net
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  routing-wg@ripe.net
  afnog@afnog.org

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